Finding the Fourth Proportional to 644,676.23, 967,207.53 and 260,227.15
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Solution
The fourth proportional to 644,676.23, 967,207.53 and 260,227.15 is: 390,418.70
Step by Step Solution
- Step 1: Write the proportion equation
644,676.23 : 967,207.53 = 260,227.15 : x - Step 2: Convert to fraction form
644,676.23/967,207.53 = 260,227.15/x - Step 3: Cross multiply
644,676.23x = 967,207.53 × 260,227.15 - Step 4: Simplify right side
644,676.23x = 251,693,657,548.27 - Step 5: Solve for x
x = 251,693,657,548.27/644,676.23 - Step 6: Final answer
x = 390,418.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.